PHP | ReflectionExtension getClasses() Function Last Updated : 11 Dec, 2019 Comments Improve Suggest changes Like Article Like Report The ReflectionExtension::getClasses() function is an inbuilt function in PHP which is used to return a list of classes from specified extension. If no classes are specified, an empty array is returned. Syntax: array ReflectionExtension::getClasses( void ) Parameters: This function does not accept any parameter. Return Value: This function returns a list of classes from specified extension. Below programs illustrate the ReflectionExtension::getClasses() function in PHP: Program_1: php <?php // Defining an extension $A = 'DOM'; // Using ReflectionExtension() over the // specified extension $extension = new ReflectionExtension($A); // Calling the getClasses() function $B = $extension->getClasses(); // Getting the list of classes var_dump($B); ?> Output: array(31) { ["DOMException"]=> object(ReflectionClass)#2 (1) { ["name"]=> string(12) "DOMException" } ["DOMStringList"]=> object(ReflectionClass)#3 (1) { ["name"]=> string(13) "DOMStringList" } ["DOMNameList"]=> object(ReflectionClass)#4 (1) { ["name"]=> string(11) "DOMNameList" } ["DOMImplementationList"]=> object(ReflectionClass)#5 (1) { ["name"]=> string(21) "DOMImplementationList" } ["DOMImplementationSource"]=> object(ReflectionClass)#6 (1) { ["name"]=> string(23) "DOMImplementationSource" } ["DOMImplementation"]=> object(ReflectionClass)#7 (1) { ["name"]=> string(17) "DOMImplementation" } ["DOMNode"]=> object(ReflectionClass)#8 (1) { ["name"]=> string(7) "DOMNode" } ["DOMNameSpaceNode"]=> object(ReflectionClass)#9 (1) { ["name"]=> string(16) "DOMNameSpaceNode" } ["DOMDocumentFragment"]=> object(ReflectionClass)#10 (1) { ["name"]=> string(19) "DOMDocumentFragment" } ["DOMDocument"]=> object(ReflectionClass)#11 (1) { ["name"]=> string(11) "DOMDocument" } ["DOMNodeList"]=> object(ReflectionClass)#12 (1) { ["name"]=> string(11) "DOMNodeList" } ["DOMNamedNodeMap"]=> object(ReflectionClass)#13 (1) { ["name"]=> string(15) "DOMNamedNodeMap" } ["DOMCharacterData"]=> object(ReflectionClass)#14 (1) { ["name"]=> string(16) "DOMCharacterData" } ["DOMAttr"]=> object(ReflectionClass)#15 (1) { ["name"]=> string(7) "DOMAttr" } ["DOMElement"]=> object(ReflectionClass)#16 (1) { ["name"]=> string(10) "DOMElement" } ["DOMText"]=> object(ReflectionClass)#17 (1) { ["name"]=> string(7) "DOMText" } ["DOMComment"]=> object(ReflectionClass)#18 (1) { ["name"]=> string(10) "DOMComment" } ["DOMTypeinfo"]=> object(ReflectionClass)#19 (1) { ["name"]=> string(11) "DOMTypeinfo" } ["DOMUserDataHandler"]=> object(ReflectionClass)#20 (1) { ["name"]=> string(18) "DOMUserDataHandler" } ["DOMDomError"]=> object(ReflectionClass)#21 (1) { ["name"]=> string(11) "DOMDomError" } ["DOMErrorHandler"]=> object(ReflectionClass)#22 (1) { ["name"]=> string(15) "DOMErrorHandler" } ["DOMLocator"]=> object(ReflectionClass)#23 (1) { ["name"]=> string(10) "DOMLocator" } ["DOMConfiguration"]=> object(ReflectionClass)#24 (1) { ["name"]=> string(16) "DOMConfiguration" } ["DOMCdataSection"]=> object(ReflectionClass)#25 (1) { ["name"]=> string(15) "DOMCdataSection" } ["DOMDocumentType"]=> object(ReflectionClass)#26 (1) { ["name"]=> string(15) "DOMDocumentType" } ["DOMNotation"]=> object(ReflectionClass)#27 (1) { ["name"]=> string(11) "DOMNotation" } ["DOMEntity"]=> object(ReflectionClass)#28 (1) { ["name"]=> string(9) "DOMEntity" } ["DOMEntityReference"]=> object(ReflectionClass)#29 (1) { ["name"]=> string(18) "DOMEntityReference" } ["DOMProcessingInstruction"]=> object(ReflectionClass)#30 (1) { ["name"]=> string(24) "DOMProcessingInstruction" } ["DOMStringExtend"]=> object(ReflectionClass)#31 (1) { ["name"]=> string(15) "DOMStringExtend" } ["DOMXPath"]=> object(ReflectionClass)#32 (1) { ["name"]=> string(8) "DOMXPath" } } Program_2: php <?php // Using ReflectionExtension() over // a extension xml $extension = new ReflectionExtension('xml'); // Calling the getClasses() function and // Getting the list of classes var_dump($extension->getClasses()); ?> Output: array(0) { } Reference: https://www.php.net/manual/en/reflectionextension.getclasses.php Comment More infoAdvertise with us Next Article PHP | ReflectionExtension getClasses() Function K Kanchan_Ray Follow Improve Article Tags : Web Technologies PHP PHP-function PHP- Reflection Similar Reads PHP | ReflectionExtension getClassNames() Function The ReflectionExtension::getClassNames() function is an inbuilt function in PHP which is used to return an array of class names from the specified extension. If no classes are specified, an empty array is returned. Syntax: array ReflectionExtension::getClassNames( void ) Parameters: This function do 2 min read PHP | ReflectionExtension getName() Function The ReflectionExtension::getName() function is an inbuilt function in PHP which is used to return the name of the specified extension. Syntax: string ReflectionExtension::getName( void ) Parameters: This function does not accept any parameter. Return Value: This function returns the name of the spec 1 min read PHP | ReflectionExtension getConstants() Function The ReflectionExtension::getConstants() function is an inbuilt function in PHP which is used to return an associative array with constant names as keys. Syntax: array ReflectionExtension::getConstants( void ) Parameters: This function does not accept any parameter. Return Value: This function return 2 min read PHP | ReflectionExtension getVersion() Function The ReflectionExtension::getVersion() function is an inbuilt function in PHP which is used to return the version of the specified extension. Syntax: string ReflectionExtension::getVersion( void ) Parameters: This function does not accept any parameter. Return Value: This function returns the version 1 min read PHP | ReflectionExtension getFunctions() Function The ReflectionExtension::getFunctions() function is an inbuilt function in PHP which is used to return extension functions from the specified extension. Syntax: array ReflectionExtension::getFunctions( void ) Parameters: This function does not accept any parameter. Return Value: This function return 2 min read PHP | ReflectionExtension getDependencies() Function The ReflectionExtension::getDependencies() function is an inbuilt function in PHP which is used to return an array with dependencies as keys and either Required, Optional or Conflicts as the values. Syntax: array ReflectionExtension::getDependencies( void ) Parameters: This function does not accept 1 min read PHP | ReflectionExtension getINIEntries() Function The ReflectionExtension::getINIEntries() function is an inbuilt function in PHP which is used to return an array with the ini entries as keys and their defined values as values. Syntax: Array ReflectionExtension::getINIEntries( void ) Parameters: This function does not accept any parameter. Return V 1 min read PHP | ReflectionExtension isPersistent() Function The ReflectionExtension::isPersistent() function is an inbuilt function in PHP which is used to return true if the specified extension is persistent, otherwise return false. Syntax: void ReflectionExtension::isPersistent( void ) Parameters: This function does not accept any parameter. Return Value: 1 min read PHP | ReflectionParameter getClass() Function The ReflectionParameter::getClass() function is an inbuilt function in PHP which is used to return the class type hinted for the parameter. Syntax: ReflectionClass ReflectionParameter::getClass ( void ) Parameters: This function does not accept any parameter. Return Value: This function returns the 2 min read PHP | ReflectionExtension info() Function The ReflectionExtension::info() function is an inbuilt function in PHP which is used to return the information of the specified extension. Syntax: void ReflectionExtension::info( void ) Parameters: This function does not accept any parameter. Return Value: This function returns the information of th 1 min read Like